diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index fa92f727fdf8..1549fd67d21c 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1908,10 +1908,6 @@ static void gsm_queue(struct gsm_mux *gsm)
 	case UI|PF:
 	case UIH:
 	case UIH|PF:
-#if 0
-		if (cr)
-			goto invalid;
-#endif
 		if (dlci == NULL || dlci->state != DLCI_OPEN) {
 			gsm_command(gsm, address, DM|PF);
 			return;